Strange. Why do you have the ($message) in the prototype of the function? sub set_flash($message) { If I have that I get a warning: Illegal character in prototype for set_flash : $message at Anyway you can put debug("set_flash: $message") in the set_flash functions to see on the console if it is really executed. If that does not solve the problem, could you share a small but full example that does work? (At least the full .pm file) Gabor On Sun, May 31, 2015 at 6:47 AM, Prairie Nyx <prairienyx@gmail.com> wrote:
Perl Dancer Community:
I am converting from Dancer to Dancer2 (better late than never) and also developing some preliminary curriculum materials for CoderDojo using Perl Dancer2 as a framework for web development.
I started with SawyerX's tutorial page:
http://search.cpan.org/~xsawyerx/Dancer2/lib/Dancer2/Tutorial.pod
The "dancr.pl" tutorial program ran just fine under the port 3000 server and the tutorial was useful and instructive:
C:\Users\CoderDojo\Perl\Dancer\dancr>perl dancr.pl
Dancer2 v0.160001 server 2496 listening on http://0.0.0.0:3000
I ran into an issue when I tried to convert this demo into an app that would run under Apache in a Windows environment, however.
The *crux* of the issue is that the "$flash message" does not work in the app (I suspect because the global variable $flash and the two subroutines are not part of a route, but I could *really* use an explanation, if this issue is obvious to someone:
I created the app as normal:
C:\Apache24\htdocs>*dancer2 -a dancr* + dancr + dancr\config.yml + dancr\cpanfile + dancr\Makefile.PL + dancr\MANIFEST.SKIP + dancr\bin + dancr\bin\app.psgi + dancr\environments + dancr\environments\development.yml + dancr\environments\production.yml + dancr\lib + dancr\lib\dancr.pm + dancr\public + dancr\public\dispatch.cgi + dancr\public\dispatch.fcgi + dancr\public\404.html + dancr\public\500.html + dancr\public\favicon.ico + dancr\public\css + dancr\public\css\error.css + dancr\public\css\style.css + dancr\public\images + dancr\public\images\perldancer-bg.jpg + dancr\public\images\perldancer.jpg + dancr\public\javascripts + dancr\public\javascripts\jquery.js + dancr\t + dancr\t\001_base.t + dancr\t\002_index_route.t + dancr\views + dancr\views\index.tt + dancr\views\layouts + dancr\views\layouts\main.tt
With the resulting app files, I added the code from the original "dancr.pl" demo to the applications "dancr.pm" module:
package dancr; use Dancer2;
our $VERSION = '0.1';
get '/' => sub { template 'index'; };
true;
I had to make the following adjustments to the code for Windows/Apache:
(1) Change the session to YAML
#set 'session' => 'Simple'; set 'session' => 'YAML';
(2) Adjust the path for request->base:
# $tokens->{'css_url'} = request->base . 'css/dancr.css'; $tokens->{'css_url'} = request->base . '/css/dancr.css';
Everything with the app works as expected *except* for the "$flash message" code:
my $flash;
sub set_flash($message) { my $message = shift;
$flash = $message; }
sub get_flash { my $message = $flash; $flash = '';
return $message; }
I suspect that since these subs are outside a route, perhaps I'm getting an effect about the scope of the variables... but calls to these subroutines do *not* set $flash or $message as expected:
template 'show_entries.tt', { 'msg' => get_flash,
set_flash('New entry posted!');
set_flash('You are logged in.');
set_flash('You are logged out.');
For each of these, the $flash variable (which is a free-standing global in the module) is never set... and so the get_flash sub never returns a value.
-- Prairie Nyx prairienyx@gmail.com
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